.midden {
    background-color: #F7F8F9;
    height: 800px;
}

.block_line {
    height: 50px;
}

.head_line {
    text-align: center;
    font: normal 700 25px/75px Microsoft YaHei;
    height: 75px;
    color: #32CA99;
}

.table {
    text-align: center;
    margin: 0 auto;
    background-color: #FFFFFF;
    width: 1000px;
}

.table tr th {
    text-align: center;
    font: normal 700 20px/60px Microsoft YaHei;
    height: 60px;
}

.table tr td {
    text-align: center;
    font: normal 400 15px/50px Microsoft YaHei;
    height: 50px;
}

td a:hover {
    color: #32CA99;
}